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Old 01-23-2013, 11:48 AM
ptrcd003 ptrcd003 is offline
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Location: Toronto
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Mein Auto: 328i LCI
Check engine - P13B6

Hey guys, I got a P13B6 code on my 2009 328i. Nothing comes up when I google it, except one Polish site that says it means "P13B6 (05046) - Detonation Detection System misfire (BIS)". It was after a cold start in -18 degrees ( 0 for the Americans). I reset it and the light hasn't come back on, but does anyone know what it could be caused by?
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Old 01-23-2013, 12:10 PM
///M-Furby's Avatar
///M-Furby ///M-Furby is offline
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Mein Auto: 2016 M3 SO ZCP
Hmm...if my car is telling me that it is experiencing a "detonation detection" then I might want to leave and not come back

Could this be the pistons misfiring? It's the only explosion that should happen in the car. How long has it been since you last used the car?
"Tomato" ED 2016 M3 | B50 | ZCP | X3SW | ZDB | ZEC | ZLP | 2MK | 5DP | 6NS |
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Originally Posted by cwinter View Post
I agree with furby
Originally Posted by guerilla twang View Post
Hahahaha, I like you furb, you like to live dangerously.
Originally Posted by ProfessorCook View Post
I started to google to find a picture to match furby's suggestion to Gia, but it quickly became clear it was an inappropriate search to conduct at work.
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Old 01-23-2013, 12:49 PM
ptrcd003 ptrcd003 is offline
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Location: Toronto
Join Date: Dec 2008
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Mein Auto: 328i LCI
The night before, I drove for over 100km (60 miles). I drive it daily, and I haven't noticed any changes in driveability. If it was a misfire, wouldn't it set a misfire code? Its just strange that nobody outside a Polish forum has ever encountered this code.
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Old 10-02-2014, 05:07 PM
vantun08 vantun08 is offline
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Location: united states
Join Date: Sep 2014
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Mein Auto: 2007 328xi

I have the same code on my 2007 bmw 328xi, it crank but wont start.
Anyone knows what seem to be the problem
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Old 02-22-2015, 11:37 AM
mekaneck mekaneck is offline
Location: Illinois
Join Date: Apr 2007
Posts: 174
Mein Auto: 2003 325xi, 2007 X3
About two years ago I got the P13B6 code, using a generic code reader. I was also not able to learn much about it. I replaced all my ignition coils, and the problem didn't return for a while, so I thought I fixed it. However, recently the check engine light starting going off again. Fortunately, in the interim I had spent some time getting DIS set up on my laptop, and I purchased a D+KCAN cable. So now I can do real diagnostics on my car (the wife's 2007 X3, to be specific).

Here's the details on what the P13B6 code actually means. However keep in mind I don't know whether P13B6 is a generic code for several different BMW-specific codes (for example, maybe P13B6 shows up for both intake an exhaust camshaft sensor problems)
Picture Link

I found some good information on the 2A99 (P13B6) code here:
Fault Code 2A99

Hope this helps those that don't have DIS.

2003 325xi BlackČ
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